89078979528 has 160 divisors (see below), whose sum is σ = 311069626560. Its totient is φ = 23137384320.

The previous prime is 89078979499. The next prime is 89078979529. The reversal of 89078979528 is 82597987098.

89078979528 is a `hidden beast` number, since 8 + 9 + 0 + 7 + 8 + 97 + 9 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (89078979529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 842751 + ... + 942542.

It is an arithmetic number, because the mean of its divisors is an integer number (1944185166).

Almost surely, 2^89078979528 is an apocalyptic number.

89078979528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

89078979528 is an abundant number, since it is smaller than the sum of its proper divisors (221990647032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89078979528 is a wasteful number, since it uses less digits than its factorization.

89078979528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785329 (or 1785316 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 72.

The spelling of 89078979528 in words is "eighty-nine billion, seventy-eight million, nine hundred seventy-nine thousand, five hundred twenty-eight".